Home / 727,711,201.40-1,091,566,802.10-340,290,712.40

Finding the Fourth Proportional to 727,711,201.40, 1,091,566,802.10 and 340,290,712.40

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Solution

The fourth proportional to 727,711,201.40, 1,091,566,802.10 and 340,290,712.40 is: 510,436,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,711,201.40 : 1,091,566,802.10 = 340,290,712.40 : x
  2. Step 2: Convert to fraction form
    727,711,201.40/1,091,566,802.10 = 340,290,712.40/x
  3. Step 3: Cross multiply
    727,711,201.40x = 1,091,566,802.10 × 340,290,712.40
  4. Step 4: Simplify right side
    727,711,201.40x = 371,450,044,718,798,784
  5. Step 5: Solve for x
    x = 371,450,044,718,798,784/727,711,201.40
  6. Step 6: Final answer
    x = 510,436,068.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.